"How's it going? There were no casualties, right? Han Feng asked.

"The condition is good, there is plenty of ammunition. There have been no casualties for the time being, so please rest assured that the Korean team will be reassured. ”

After listening to Wayne's answer, Han Feng felt a trace of surprise in his heart. Because Wayne speaks and acts differently than before, to be precise, he is more like a normal human.

"Alright, you keep fighting. If you are not defeated, don't hold on and retreat in time. After giving a word, Han Feng withdrew from Wayne's field of vision connection and connected to several other squads instead. After checking the various battlefields, Han Feng completely withdrew from the field of vision.

Attention entered the system and found that the number of gold coins had reached 7,974, approaching 8,000! And the gold coins are still growing one by one, and sometimes there are still 10 and 10 beating, presumably the Red Police soldiers killed the second-level zombies.

Thinking of the second-level zombies, Han Feng's heart sank...... Because there's a third-level zombie out there.

Watching the growth of gold coins, Han Feng felt a trace of uneasy fear......

Because the amount of gold coins increased more than he had expected. It's certainly good to have gold coins to earn, but ...... Going too fast is also an indication that there may be a problem.

From the nine squads sent out to the present, it is only a short hour. The number of gold coins has increased by more than 1,000, and according to the calculation of one gold coin for a first-level zombie, wouldn't it kill more than 1,000 zombies in an hour?!!! How can it be?!

Nine squads, each team killed more than 100 zombies on average? Han Feng couldn't think right, the speed of making money was terrifying. At this rate, there will be 10,000 gold coins in two hours?

Shaking his head, Han Feng sank his mind and wanted to find out what this problem was.

You know, the location of this prison is not in a densely populated place like the city center. Instead, it is built in the middle of nowhere, which means that the number of zombies should not be so large......

Don't...... Is it the increase in the number of second-level zombies?!

Thinking of this possibility, the hairs on Han Feng's body instantly stood up! Then his attention immediately entered the system, staring closely at the growth of gold coins.

"One...... Five...... One...... One...... One...... Five...... One ......" Within a few minutes, the voice of Han Feng's silent recitation became smaller and smaller, but his heart became colder and colder......

Zombie...... Evolved on a large scale?!!! Han Feng was taken aback by this idea!

That's right! In fact, Han Feng didn't see so many zombies through the visual field connection just now. And since there was not much difference in appearance between the first-level zombies and the second-level zombies, he didn't observe this.

After noticing this now, Han Feng panicked a little......

For example, the first-level zombies are evolving into the second-level zombies in large numbers...... Although this is not a threat to Han Feng for the time being, what if the second-level zombies evolve again?!

Thinking of this possibility, Han Feng shuddered...... Consider the terrifying speed, amazing reflexes and tenacious vitality of the Level 3 zombies......

A breeze blew, and Han Feng shivered. It's not that the wind is cold, it's that he's in a terrified state right now.

Closing his eyes, Han Feng began to ponder...... Why do zombies evolve? Is it because of time? Could it be that when the time comes, all zombies will evolve once? Impossible...... From this point of view, can so many zombies eventually evolve into third-level zombies?!!

That's! Is that a human still resisting a fart? Just wash your neck and wait to be eaten.

Denying the first hypothesis in his mind, Han Feng continued to guess.

Han Feng, who was pondering, caught a glimpse of the mobilized soldiers not far away, and another conjecture suddenly appeared in his heart.

Since it's not about time, then ...... Could it be that the evolution of zombies is due to the upgrade reaction after killing humans?! It's like the ascension of your own Red Alert soldiers. According to this assumption, Han Feng continued to ponder.

After thinking about it for a while, I still think it's unlikely...... There are three reasons for this.

First: The Red Alert soldiers summoned by themselves are under the management of the Red Alert system, and they are only the highest-ranking commanders of this system. Any combat unit has its own unique and rigorous way of leveling up, so who can manage the zombies?

Second: Zombies are just creatures without intelligence, even if third-level zombies can dominate low-level zombies, it may only be a level suppression between them. It can't be counted as a coordination, nor can it be counted as a battle. Just such a group of monsters with no "brains" can be upgraded by killing?! What about playing?!!!

Third: the infection of zombies is through wounds, so there is no reason for it to escalate. Bacteria or viruses, do they know how many people they have infected? Besides, there's no energy to supply the host to upgrade...... Shaking his head, Han Feng denied the assumption just now in his heart......

Frowning tightly, Han Feng muttered, "In the end...... Why...... Why did such a large-scale evolutionary ...... occur?"

"The evolution of zombies has nothing to do with time...... It has nothing to do with killing...... Could it be ......" muttering here, Han Feng seemed to think of something, and his eyes widened suddenly! The muscles of the whole body tense up instantly!

"I see!" With a slight tremor of fear, Han Feng understood.

Just now, Han Feng had been entangled in why zombies had evolved, and he had completely walked into a misunderstanding, a dead end. Now jumping out of this misunderstanding, Han Feng has figured it out.

Since zombies are transmitted to the next human through bacteria or viruses, can it be imagined...... Zombies have not evolved in the first place, they have only evolved bacteria! Or a virus!!

Thinking of a new point of view, Han Feng began to ponder again. The cigarette in his hand was lit......

After thinking about it for a few minutes, Han Feng still had a few questions that he couldn't figure out. The most critical point is how did the first humans get infected and become zombies?!

Leave it alone bacteria or viruses. There's always a way to spread it, right?! Now there are so many ordinary people around Han Feng, there are hundreds of people in this prison alone, and I haven't heard of anyone suddenly mutating into zombies without warning?

Those who can mutate into zombies must have mutated after being bitten, so what happened to the first batch of people?

And the first humans to be infected were so large that in just a few hours the entire city was turned into a "hell on earth"! Now the communication is cut off, the signal is cut off, and all the channels for obtaining information from the outside world are all cut off. Han Feng could only judge by the delay in rescue, and zombies of this scale had also appeared in other provinces and cities.

Thinking of this, Han Feng was even more puzzled. What kind of power, or ability, can make zombies break out at least nationwide at the same time?!

In the past few days, Han Feng had been constantly avoiding danger, and he didn't have time to think about these problems. Now he is in a realm of "absolute safety" for the time being, with plenty of time to think about issues that he has not thought of or ignored before.

As the cigarettes burned out, Han Feng's doubts became heavier and heavier......

Before he could figure out the previous question, Han Feng remembered another strange thing before.

When American Private Wayne was summoned, the villa was being attacked by more than 50 zombies. When I went to the police station and met Lin Lan, there were countless zombie attacks downstairs in the police station. Later, hundreds of thousands of zombies attacked the villa, causing Han Feng to have to "move......

Let's put it the third time because of the guidance of the third-level zombies, let's let it go and leave it alone. So what happened to the first two attacks?

Zombies, don't know how to hurt, don't know how tired. They only know how to keep biting living people, how do they know and come and attack in a team? Thinking about it carefully, Han Feng didn't find any possibility that could expose the villa.

Going back and looking at the third-level zombie, how did it find here?

It seems that only by building a combat laboratory can the origin and spread of zombies be studied. No matter how much you think about it, you can't figure it out......

And after the construction of the combat laboratory, not only can the zombie problem be reported, but even the problem of his own superpower can be said one, two, three. Build a combat lab...... Imminent! It must not be delayed any longer!!

"Alas......" Dropping down the cigarette butts, Han Feng sighed.

To this day, his superpowers remain a mystery. I only know that I have a layer of blue fluorescence when I use my superpower, and I don't know anything else, and I don't have the obvious super characteristics like others...... There are also third-level zombies......

Thinking that the third-level zombies were still "at large", Han Feng felt a little uncomfortable in his heart. Because he was worried about whether the defense measures of this prison could effectively resist the invasion of third-level zombies.

Han Feng raised his head, his gaze drifting into the distance, a series of clueless questions in his mind plaguing him.

Retracting his gaze, Han Feng rubbed his hair and stopped his inner thoughts. Taking out his mobile phone, Han Feng saw that the time was around four o'clock in the afternoon, and the signal was ...... It's still empty......

Calculating the time, Lin Lan had been interrogating for more than half an hour, and Han Feng, who was standing outside the door, gently pushed the door open. Sure enough...... Lin Lan is still under interrogation. After listening for a while, Han Feng felt that the interrogation could not be over for the time being, so he gently closed the door again.

Because Lin Lan was concentrating on interrogation, he didn't know anything about the "visitation" that was happening behind his back, but Guo Yongxing, who was bored in the room, noticed Han Feng.

A few seconds after closing the door, Guo Yongxing gently pushed the door and walked out.

"Team Han, I thought you were back. Why don't you go in? Guo Yongxing, who went out, took out a cigarette and asked Han Feng.

"It's good to have her in it, she's more professional than me." Smiling, Han Feng replied.

"A cigarette?"

"No, just snuffed it out."

Seeing that Han Feng didn't take the cigarette, Guo Yongxing put the extra one back into the cigarette case and said, "This thing is a good thing now...... I don't know how long I can smoke it......"

As soon as this sentence came out, a feeling of loneliness loomed.

"Hey, you say, there is such a disaster here, why doesn't the country come to the rescue?" Spit out a mouthful of white mist, Guo Yongxing asked casually.